Earthquake 37704: 6/25/2004 14:16:31 AKDT, M=3.7, N61.90 W150.42, 50km depth, Bias: pga=0.00 pgv=0.00 

Seismic Stations

Explanation of Flags
M - Manually flagged
T - Outlier
G - Amplitude off scale or below noise
I - Incomplete data
N - Not in list of known stations